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chemistry sem 1 ↑ 2.3.2 quiz: organization and history of the periodic …

Question

chemistry sem 1
↑ 2.3.2 quiz: organization and history of the periodic table
question 8 of 10
what group is pb (lead) in?
a. 14
b. 5
c. 4b
d. 6
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Explanation:

Brief Explanations

Lead (Pb) is an element in the periodic table. In the modern periodic - table, elements are grouped based on their valence - electron configurations. Lead has 4 valence electrons and is in Group 14.

Answer:

A. 14